macadress

Argard Co., Ltd

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:18:54:00:00:00 /24
Vendor address2571 Lardprao Rd. wangthonglang Bangkok TH 10310
Country🇹🇭  Thailand
RegisteredJun 13, 2006
Block range00:18:54:00:00:00– 00:18:54:FF:FF:FF
Address capacity16,777,216
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority

Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Ownership timeline

  1. Jun 13, 2006 – Jul 9, 2006 Airtube ,co.ltd name changed
  2. Jul 9, 2006 – present Argard Co., Ltd

Example addresses in this block

00:18:54:00:00:00 00:18:54:7F:FF:FF 00:18:54:FF:FF:FF

Where this block sits

Previous 00:18:53:00:00:00 /24 Atera Networks LTD. Next 00:18:55:00:00:00 /24 Aeromaritime Systembau GmbH

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Argard Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #5,414 of 33,421 organizations by block count.